libmilter-devel-static-8.14.3_1-alt1_11.x86_64 rpm-filesystem-conflict-file-file warn Files /usr/include/libmilter/mfapi.h /usr/include/libmilter/mfdef.h /usr/include/libmilter/milter.h conflict with the package sendmail-devel-8.16.1-alt1.x86_64. Moreover, the packages have no explicit conflicts with each other. You should add explicit conflicts, or, if conflicts are avoidable, consider using alternatives.;